Photos: Helmets, hats & caps at PyeongChang 2018

Akwasi Frimpong of Ghana trains during the Mens Skeleton training session on day four of the PyeongChang 2018 Winter Olympic Games at Olympic Sliding Centre on February 13, 2018 in Pyeongchang-gun, South Korea. (Photo by Matthias Hangst/Getty Images)

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Akwasi Frimpong of Ghana trains during the Mens Skeleton training session on day four of the PyeongChang 2018 Winter Olympic Games at Olympic Sliding Centre on February 13, 2018 in Pyeongchang-gun, South Korea. (Photo by Matthias Hangst/Getty Images)